Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof

a technology of ball clay and ceramics, applied in the field of ceramics, can solve the problems of increasing the cost of ceramics produced with ball clay, difficulty in reaching a stable viscosity, and difficulty in controlling the casting rate of slips

Active Publication Date: 2021-02-04
ACTIVE MINERALS INT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One disadvantage of Ball Clay is difficulty reaching a stable viscosity, without aging Ball Clay slurry for one to seven days prior to production of a full slip.
One disadvantage of Ball Clay is difficulty controlling casting rate of a slip to achieve a rapid casting.
One disadvantage of Ball Clay is difficulty in obtaining local sources in many parts of the world, raising the cost of ceramics produced with Ball Clay.
One disadvantage of using Ball Clay is the need to use 3 to 4

Method used

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  • Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof
  • Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof
  • Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof

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Embodiment Construction

[0022]The percent solids by weight (w / w %) is the weight of dry solids in a given volume of a composition divided by the total weight of the composition multiplied by 100%. w / w % is calculated using the following formula:

w / w %=Ws / Wt×100%  (1)

in which Ws is the weight of dry solids in the composition, and Wt is the total weight of the composition. For example, if the total weight of solids (Ws) in a composition is 75 g, and the total weight of composition (Wt) is 100 g, then the percent solids by weight w / w % is 75%.

[0023]The percent solid weight fraction of an ingredient of a composition (SWFi %) is the weight of the dry solid ingredient in a given volume of the composition divided by the total dry weight of all solids in that volume of the composition multiplied by 100%. The formula is:

SWFi %=Ws,i / Ws×100%  (2)

[0024]in which Ws,i is the weight of the dry solid ingredient in the composition having total weight Ws. For example, if the total weight of solids (Ws) in a composition is 10...

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PUM

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Abstract

A composition comprises at least one form of attapulgite present in a solid weight fraction amount ranging from 0.25% to 5%; kaolin present in a solid weight fraction amount ranging from 17% to 50%; and optionally Ball Clay in a solid weight fraction amount ranging from 0% to 25%. Although makeable by other processes, in some embodiments, the composition is makeable by mixing component ingredients. Although usable for other purposes, in some embodiments, the composition is used to make ceramic pieces, e.g., via casting, pressing, jiggering or jollying, especially when the slip has solids, chemistry and viscosity suitable for shaping before drying, sintering, and optionally finishing.

Description

FIELD[0001]A composition which comprises at least one form of attapulgite present in a solid weight fraction amount ranging from 0.25% to 5%; kaolin present in a solid weight fraction amount ranging from 17% to 50%; and optionally Ball Clay in a solid weight fraction amount ranging from 0% to 25%. Although makeable by other processes, in some embodiments, the composition is makeable by mixing component ingredients. Although usable for other purposes, in some embodiments, the composition is used to make ceramic pieces, e.g., via casting, pressing, jiggering or jollying, especially when the ceramic formulation has solids, chemistry and viscosity suitable for shaping before drying, sintering, and optionally finishing.[0002]A composition, in the form of powder(s), granules or prills; or in the form of a slurry; or in the form of a paste or filter cake that can be used to prepare a suspension, slip, or a pug which can be cast, pressed, jiggered or jollied into ceramic pieces, containing ...

Claims

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Application Information

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IPC IPC(8): C04B33/04C04B33/30C04B33/13
CPCC04B33/04C04B33/30C04B2235/5472C04B2235/3418C04B33/1305C04B33/13C04B2235/3472C04B2235/3481C04B2235/3208C04B2235/5436Y02P40/60C04B14/102C04B14/106
Inventor PARKER, DENNIS CLAYPURCELL, JR., ROBERT J.LYMAN, MATTHEW J.MILLS, DONALD KEITHKITCHENS, JOHN W.PETTIT, CHARLESCUTRIGHT, JAMES
Owner ACTIVE MINERALS INT
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